Shedding weight and being roaring fit is not an easy task at any age, especially when you are 40!

Having said that, certain 40-over celebrities can put any 20 year old to shame with their fitness levels, and not to mention their sexy bods.

Not only are they slim the healthy way, but they are fit despite all the physical changes their body is going through.

And what are these changes? Fitness Trainer and Wellness Coach Amit Sharma says, "After the age of 30 a woman's body undergoes certain changes, she faces a change in her body structure, hot flushes, mood swings, growing hair in her upper lip and starts feeling less attractive."

And yet, these beauties still manage to look SO hot.

We let you in on the fitness mantras of celebrities over 40 years of age who are fit as a fiddle. Also, you get tips from experts on what you can do at home.